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authorMario Limonciello <mario.limonciello@amd.com>2023-04-09 21:53:42 +0300
committerHans de Goede <hdegoede@redhat.com>2023-04-11 11:37:19 +0300
commit5ec9ee0d464750d72972d5685edf675824e259a1 (patch)
tree534893e81ff3a337ea2cc85c11f30822d744b6f0 /drivers/platform/x86/amd/pmc.c
parentb845772677ea19b8e4c032bc07393ef32de4ee39 (diff)
downloadlinux-5ec9ee0d464750d72972d5685edf675824e259a1.tar.xz
platform/x86/amd: pmc: Hide SMU version and program attributes for Picasso
As the command to get version isn't supported on Picasso, we shouldn't be exposing this into sysfs either. Link: https://gitlab.freedesktop.org/drm/amd/-/issues/2449 Fixes: 7f1ea75d499a ("platform/x86/amd: pmc: Add sysfs files for SMU") Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> Link: https://lore.kernel.org/r/20230409185348.556161-3-Shyam-sundar.S-k@amd.com Reviewed-by: Hans de Goede <hdegoede@redhat.com> Signed-off-by: Hans de Goede <hdegoede@redhat.com>
Diffstat (limited to 'drivers/platform/x86/amd/pmc.c')
-rw-r--r--drivers/platform/x86/amd/pmc.c21
1 files changed, 20 insertions, 1 deletions
diff --git a/drivers/platform/x86/amd/pmc.c b/drivers/platform/x86/amd/pmc.c
index 2758c0e63a1c..08fda2f96463 100644
--- a/drivers/platform/x86/amd/pmc.c
+++ b/drivers/platform/x86/amd/pmc.c
@@ -452,12 +452,31 @@ static ssize_t smu_program_show(struct device *d, struct device_attribute *attr,
static DEVICE_ATTR_RO(smu_fw_version);
static DEVICE_ATTR_RO(smu_program);
+static umode_t pmc_attr_is_visible(struct kobject *kobj, struct attribute *attr, int idx)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct amd_pmc_dev *pdev = dev_get_drvdata(dev);
+
+ if (pdev->cpu_id == AMD_CPU_ID_PCO)
+ return 0;
+ return 0444;
+}
+
static struct attribute *pmc_attrs[] = {
&dev_attr_smu_fw_version.attr,
&dev_attr_smu_program.attr,
NULL,
};
-ATTRIBUTE_GROUPS(pmc);
+
+static struct attribute_group pmc_attr_group = {
+ .attrs = pmc_attrs,
+ .is_visible = pmc_attr_is_visible,
+};
+
+static const struct attribute_group *pmc_groups[] = {
+ &pmc_attr_group,
+ NULL,
+};
static int smu_fw_info_show(struct seq_file *s, void *unused)
{